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-rw-r--r--lib/AST/ASTImporter.cpp37
-rw-r--r--lib/AST/Decl.cpp8
-rw-r--r--lib/AST/DeclBase.cpp5
-rw-r--r--lib/AST/ExprClassification.cpp1
-rw-r--r--lib/Sema/SemaDecl.cpp33
-rw-r--r--lib/Sema/SemaDeclCXX.cpp25
-rw-r--r--lib/Sema/SemaExpr.cpp145
-rw-r--r--lib/Sema/SemaInit.cpp5
-rw-r--r--lib/Sema/SemaTemplateInstantiateDecl.cpp23
-rw-r--r--lib/Serialization/ASTReaderDecl.cpp16
-rw-r--r--lib/Serialization/ASTWriterDecl.cpp12
11 files changed, 198 insertions, 112 deletions
diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index 7b16809a1f..980e93c04d 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -98,6 +98,7 @@ namespace {
Decl *VisitCXXDestructorDecl(CXXDestructorDecl *D);
Decl *VisitCXXConversionDecl(CXXConversionDecl *D);
Decl *VisitFieldDecl(FieldDecl *D);
+ Decl *VisitIndirectFieldDecl(IndirectFieldDecl *D);
Decl *VisitObjCIvarDecl(ObjCIvarDecl *D);
Decl *VisitVarDecl(VarDecl *D);
Decl *VisitImplicitParamDecl(ImplicitParamDecl *D);
@@ -2020,6 +2021,42 @@ Decl *ASTNodeImporter::VisitFieldDecl(FieldDecl *D) {
return ToField;
}
+Decl *ASTNodeImporter::VisitIndirectFieldDecl(IndirectFieldDecl *D) {
+ // Import the major distinguishing characteristics of a variable.
+ DeclContext *DC, *LexicalDC;
+ DeclarationName Name;
+ SourceLocation Loc;
+ if (ImportDeclParts(D, DC, LexicalDC, Name, Loc))
+ return 0;
+
+ // Import the type.
+ QualType T = Importer.Import(D->getType());
+ if (T.isNull())
+ return 0;
+
+ NamedDecl **NamedChain =
+ new (Importer.getToContext())NamedDecl*[D->getChainingSize()];
+
+ unsigned i = 0;
+ for (IndirectFieldDecl::chain_iterator PI = D->chain_begin(),
+ PE = D->chain_end(); PI != PE; ++PI) {
+ Decl* D = Importer.Import(*PI);
+ if (!D)
+ return 0;
+ NamedChain[i++] = cast<NamedDecl>(D);
+ }
+
+ IndirectFieldDecl *ToIndirectField = IndirectFieldDecl::Create(
+ Importer.getToContext(), DC,
+ Loc, Name.getAsIdentifierInfo(), T,
+ NamedChain, D->getChainingSize());
+ ToIndirectField->setAccess(D->getAccess());
+ ToIndirectField->setLexicalDeclContext(LexicalDC);
+ Importer.Imported(D, ToIndirectField);
+ LexicalDC->addDecl(ToIndirectField);
+ return ToIndirectField;
+}
+
Decl *ASTNodeImporter::VisitObjCIvarDecl(ObjCIvarDecl *D) {
// Import the major distinguishing characteristics of an ivar.
DeclContext *DC, *LexicalDC;
diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index c448116ed2..ef8f16861e 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -768,7 +768,7 @@ bool NamedDecl::isCXXInstanceMember() const {
if (isa<UsingShadowDecl>(D))
D = cast<UsingShadowDecl>(D)->getTargetDecl();
- if (isa<FieldDecl>(D))
+ if (isa<FieldDecl>(D) || isa<IndirectFieldDecl>(D))
return true;
if (isa<CXXMethodDecl>(D))
return cast<CXXMethodDecl>(D)->isInstance();
@@ -2030,6 +2030,12 @@ EnumConstantDecl *EnumConstantDecl::Create(ASTContext &C, EnumDecl *CD,
return new (C) EnumConstantDecl(CD, L, Id, T, E, V);
}
+IndirectFieldDecl *IndirectFieldDecl::Create(ASTContext &C, DeclContext *DC,
+ SourceLocation L, IdentifierInfo *Id,
+ QualType T, NamedDecl **CH, int CHS) {
+ return new (C) IndirectFieldDecl(DC, L, Id, T, CH, CHS);
+}
+
SourceRange EnumConstantDecl::getSourceRange() const {
SourceLocation End = getLocation();
if (Init)
diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index 5ba6623b20..7d8a92530e 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -249,6 +249,9 @@ unsigned Decl::getIdentifierNamespaceForKind(Kind DeclKind) {
case ObjCProperty:
return IDNS_Ordinary;
+ case IndirectField:
+ return IDNS_Ordinary | IDNS_Member;
+
case ObjCCompatibleAlias:
case ObjCInterface:
return IDNS_Ordinary | IDNS_Type;
@@ -524,8 +527,6 @@ bool DeclContext::isTransparentContext() const {
return !cast<EnumDecl>(this)->isScoped();
else if (DeclKind == Decl::LinkageSpec)
return true;
- else if (DeclKind >= Decl::firstRecord && DeclKind <= Decl::lastRecord)
- return cast<RecordDecl>(this)->isAnonymousStructOrUnion();
return false;
}
diff --git a/lib/AST/ExprClassification.cpp b/lib/AST/ExprClassification.cpp
index ba5970038d..bf26bd1f93 100644
--- a/lib/AST/ExprClassification.cpp
+++ b/lib/AST/ExprClassification.cpp
@@ -333,6 +333,7 @@ static Cl::Kinds ClassifyDecl(ASTContext &Ctx, const Decl *D) {
islvalue = NTTParm->getType()->isReferenceType();
else
islvalue = isa<VarDecl>(D) || isa<FieldDecl>(D) ||
+ isa<IndirectFieldDecl>(D) ||
(Ctx.getLangOptions().CPlusPlus &&
(isa<FunctionDecl>(D) || isa<FunctionTemplateDecl>(D)));
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 7c2a8fb105..2b970a34c4 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -1748,7 +1748,8 @@ static bool CheckAnonMemberRedeclaration(Sema &SemaRef,
static bool InjectAnonymousStructOrUnionMembers(Sema &SemaRef, Scope *S,
DeclContext *Owner,
RecordDecl *AnonRecord,
- AccessSpecifier AS) {
+ AccessSpecifier AS,
+ llvm::SmallVector<NamedDecl*, 2> &Chaining) {
unsigned diagKind
= AnonRecord->isUnion() ? diag::err_anonymous_union_member_redecl
: diag::err_anonymous_struct_member_redecl;
@@ -1771,20 +1772,37 @@ static bool InjectAnonymousStructOrUnionMembers(Sema &SemaRef, Scope *S,
// definition, the members of the anonymous union are
// considered to have been defined in the scope in which the
// anonymous union is declared.
- Owner->makeDeclVisibleInContext(*F);
- S->AddDecl(*F);
- SemaRef.IdResolver.AddDecl(*F);
+ Chaining.push_back(*F);
+ assert(Chaining.size() >= 2);
+ NamedDecl **NamedChain =
+ new (SemaRef.Context)NamedDecl*[Chaining.size()];
+ for (unsigned i = 0; i < Chaining.size(); i++)
+ NamedChain[i] = Chaining[i];
+
+ IndirectFieldDecl* IndirectField =
+ IndirectFieldDecl::Create(SemaRef.Context, Owner, F->getLocation(),
+ F->getIdentifier(), F->getType(),
+ NamedChain, Chaining.size());
+
+ IndirectField->setAccess(AS);
+ IndirectField->setImplicit();
+ SemaRef.PushOnScopeChains(IndirectField, S);
// That includes picking up the appropriate access specifier.
if (AS != AS_none) (*F)->setAccess(AS);
+
+ Chaining.pop_back();
}
} else if (const RecordType *InnerRecordType
= (*F)->getType()->getAs<RecordType>()) {
RecordDecl *InnerRecord = InnerRecordType->getDecl();
+
+ Chaining.push_back(*F);
if (InnerRecord->isAnonymousStructOrUnion())
Invalid = Invalid ||
InjectAnonymousStructOrUnionMembers(SemaRef, S, Owner,
- InnerRecord, AS);
+ InnerRecord, AS, Chaining);
+ Chaining.pop_back();
}
}
@@ -1999,7 +2017,10 @@ Decl *Sema::BuildAnonymousStructOrUnion(Scope *S, DeclSpec &DS,
// Inject the members of the anonymous struct/union into the owning
// context and into the identifier resolver chain for name lookup
// purposes.
- if (InjectAnonymousStructOrUnionMembers(*this, S, Owner, Record, AS))
+ llvm::SmallVector<NamedDecl*, 2> Chain;
+ Chain.push_back(Anon);
+
+ if (InjectAnonymousStructOrUnionMembers(*this, S, Owner, Record, AS, Chain))
Invalid = true;
// Mark this as an anonymous struct/union type. Note that we do not
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 2741c6de65..235b41e342 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -1067,10 +1067,15 @@ Sema::ActOnMemInitializer(Decl *ConstructorD,
FieldDecl *Member = 0;
DeclContext::lookup_result Result
= ClassDecl->lookup(MemberOrBase);
- if (Result.first != Result.second)
+ if (Result.first != Result.second) {
Member = dyn_cast<FieldDecl>(*Result.first);
-
- // FIXME: Handle members of an anonymous union.
+
+ // Handle anonymous union case.
+ if (!Member)
+ if (IndirectFieldDecl* IndirectField
+ = dyn_cast<IndirectFieldDecl>(*Result.first))
+ Member = IndirectField->getAnonField();
+ }
if (Member)
return BuildMemberInitializer(Member, (Expr**)Args, NumArgs, IdLoc,
@@ -2600,15 +2605,15 @@ void Sema::CheckCompletedCXXClass(CXXRecordDecl *Record) {
// In addition, if class T has a user-declared constructor (12.1), every
// non-static data member of class T shall have a name different from T.
for (DeclContext::lookup_result R = Record->lookup(Record->getDeclName());
- R.first != R.second; ++R.first)
- if (FieldDecl *Field = dyn_cast<FieldDecl>(*R.first)) {
- if (Record->hasUserDeclaredConstructor() ||
- !Field->getDeclContext()->Equals(Record)) {
- Diag(Field->getLocation(), diag::err_member_name_of_class)
- << Field->getDeclName();
+ R.first != R.second; ++R.first) {
+ NamedDecl *D = *R.first;
+ if ((isa<FieldDecl>(D) && Record->hasUserDeclaredConstructor()) ||
+ isa<IndirectFieldDecl>(D)) {
+ Diag(D->getLocation(), diag::err_member_name_of_class)
+ << D->getDeclName();
break;
}
- }
+ }
}
}
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index bc811d0e77..37561028c2 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -795,59 +795,18 @@ Sema::BuildDeclRefExpr(ValueDecl *D, QualType Ty,
D, NameInfo, Ty, VK));
}
-/// \brief Given a field that represents a member of an anonymous
-/// struct/union, build the path from that field's context to the
-/// actual member.
-///
-/// Construct the sequence of field member references we'll have to
-/// perform to get to the field in the anonymous union/struct. The
-/// list of members is built from the field outward, so traverse it
-/// backwards to go from an object in the current context to the field
-/// we found.
-///
-/// \returns The variable from which the field access should begin,
-/// for an anonymous struct/union that is not a member of another
-/// class. Otherwise, returns NULL.
-VarDecl *Sema::BuildAnonymousStructUnionMemberPath(FieldDecl *Field,
- llvm::SmallVectorImpl<FieldDecl *> &Path) {
- assert(Field->getDeclContext()->isRecord() &&
- cast<RecordDecl>(Field->getDeclContext())->isAnonymousStructOrUnion()
- && "Field must be stored inside an anonymous struct or union");
-
- Path.push_back(Field);
- VarDecl *BaseObject = 0;
- DeclContext *Ctx = Field->getDeclContext();
- do {
- RecordDecl *Record = cast<RecordDecl>(Ctx);
- ValueDecl *AnonObject = Record->getAnonymousStructOrUnionObject();
- if (FieldDecl *AnonField = dyn_cast<FieldDecl>(AnonObject))
- Path.push_back(AnonField);
- else {
- BaseObject = cast<VarDecl>(AnonObject);
- break;
- }
- Ctx = Ctx->getParent();
- } while (Ctx->isRecord() &&
- cast<RecordDecl>(Ctx)->isAnonymousStructOrUnion());
-
- return BaseObject;
-}
-
ExprResult
Sema::BuildAnonymousStructUnionMemberReference(SourceLocation Loc,
- FieldDecl *Field,
+ IndirectFieldDecl *IndirectField,
Expr *BaseObjectExpr,
SourceLocation OpLoc) {
- llvm::SmallVector<FieldDecl *, 4> AnonFields;
- VarDecl *BaseObject = BuildAnonymousStructUnionMemberPath(Field,
- AnonFields);
-
// Build the expression that refers to the base object, from
// which we will build a sequence of member references to each
// of the anonymous union objects and, eventually, the field we
// found via name lookup.
bool BaseObjectIsPointer = false;
Qualifiers BaseQuals;
+ VarDecl *BaseObject = IndirectField->getVarDecl();
if (BaseObject) {
// BaseObject is an anonymous struct/union variable (and is,
// therefore, not part of another non-anonymous record).
@@ -877,7 +836,8 @@ Sema::BuildAnonymousStructUnionMemberReference(SourceLocation Loc,
if (!MD->isStatic()) {
QualType AnonFieldType
= Context.getTagDeclType(
- cast<RecordDecl>(AnonFields.back()->getDeclContext()));
+ cast<RecordDecl>(
+ (*IndirectField->chain_begin())->getDeclContext()));
QualType ThisType = Context.getTagDeclType(MD->getParent());
if ((Context.getCanonicalType(AnonFieldType)
== Context.getCanonicalType(ThisType)) ||
@@ -890,24 +850,29 @@ Sema::BuildAnonymousStructUnionMemberReference(SourceLocation Loc,
}
} else {
return ExprError(Diag(Loc,diag::err_invalid_member_use_in_static_method)
- << Field->getDeclName());
+ << IndirectField->getDeclName());
}
BaseQuals = Qualifiers::fromCVRMask(MD->getTypeQualifiers());
}
if (!BaseObjectExpr)
return ExprError(Diag(Loc, diag::err_invalid_non_static_member_use)
- << Field->getDeclName());
+ << IndirectField->getDeclName());
}
// Build the implicit member references to the field of the
// anonymous struct/union.
Expr *Result = BaseObjectExpr;
Qualifiers ResultQuals = BaseQuals;
- for (llvm::SmallVector<FieldDecl *, 4>::reverse_iterator
- FI = AnonFields.rbegin(), FIEnd = AnonFields.rend();
- FI != FIEnd; ++FI) {
- FieldDecl *Field = *FI;
+
+ IndirectFieldDecl::chain_iterator FI = IndirectField->chain_begin(),
+ FEnd = IndirectField->chain_end();
+
+ // Skip the first VarDecl if present.
+ if (BaseObject)
+ FI++;
+ for (; FI != FEnd; FI++) {
+ FieldDecl *Field = cast<FieldDecl>(*FI);
QualType MemberType = Field->getType();
Qualifiers MemberTypeQuals =
Context.getCanonicalType(MemberType).getQualifiers();
@@ -930,8 +895,9 @@ Sema::BuildAnonymousStructUnionMemberReference(SourceLocation Loc,
MarkDeclarationReferenced(Loc, *FI);
PerformObjectMemberConversion(Result, /*FIXME:Qualifier=*/0, *FI, *FI);
// FIXME: Might this end up being a qualified name?
- Result = new (Context) MemberExpr(Result, BaseObjectIsPointer, *FI,
- OpLoc, MemberType, VK_LValue,
+ Result = new (Context) MemberExpr(Result, BaseObjectIsPointer,
+ cast<FieldDecl>(*FI), OpLoc,
+ MemberType, VK_LValue,
Field->isBitField() ?
OK_BitField : OK_Ordinary);
BaseObjectIsPointer = false;
@@ -1048,10 +1014,6 @@ enum IMAKind {
/// context is not an instance method.
IMA_Unresolved_StaticContext,
- /// The reference is to a member of an anonymous structure in a
- /// non-class context.
- IMA_AnonymousMember,
-
/// All possible referrents are instance members and the current
/// context is not an instance method.
IMA_Error_StaticContext,
@@ -1084,16 +1046,9 @@ static IMAKind ClassifyImplicitMemberAccess(Sema &SemaRef,
llvm::SmallPtrSet<CXXRecordDecl*, 4> Classes;
for (LookupResult::iterator I = R.begin(), E = R.end(); I != E; ++I) {
NamedDecl *D = *I;
+
if (D->isCXXInstanceMember()) {
CXXRecordDecl *R = cast<CXXRecordDecl>(D->getDeclContext());
-
- // If this is a member of an anonymous record, move out to the
- // innermost non-anonymous struct or union. If there isn't one,
- // that's a special case.
- while (R->isAnonymousStructOrUnion()) {
- R = dyn_cast<CXXRecordDecl>(R->getParent());
- if (!R) return IMA_AnonymousMember;
- }
Classes.insert(R->getCanonicalDecl());
}
else
@@ -1577,7 +1532,8 @@ ExprResult Sema::ActOnIdExpression(Scope *S,
else if (R.isUnresolvableResult())
MightBeImplicitMember = true;
else
- MightBeImplicitMember = isa<FieldDecl>(R.getFoundDecl());
+ MightBeImplicitMember = isa<FieldDecl>(R.getFoundDecl()) ||
+ isa<IndirectFieldDecl>(R.getFoundDecl());
if (MightBeImplicitMember)
return BuildPossibleImplicitMemberExpr(SS, R, TemplateArgs);
@@ -1598,11 +1554,6 @@ Sema::BuildPossibleImplicitMemberExpr(const CXXScopeSpec &SS,
case IMA_Instance:
return BuildImplicitMemberExpr(SS, R, TemplateArgs, true);
- case IMA_AnonymousMember:
- assert(R.isSingleResult());
- return BuildAnonymousStructUnionMemberReference(R.getNameLoc(),
- R.getAsSingle<FieldDecl>());
-
case IMA_Mixed:
case IMA_Mixed_Unrelated:
case IMA_Unresolved:
@@ -1959,9 +1910,9 @@ Sema::BuildImplicitMemberExpr(const CXXScopeSpec &SS,
// (C++ [class.union]).
// FIXME: This needs to happen post-isImplicitMemberReference?
// FIXME: template-ids inside anonymous structs?
- if (FieldDecl *FD = R.getAsSingle<FieldDecl>())
- if (cast<RecordDecl>(FD->getDeclContext())->isAnonymousStructOrUnion())
- return BuildAnonymousStructUnionMemberReference(Loc, FD);
+ if (IndirectFieldDecl *FD = R.getAsSingle<IndirectFieldDecl>())
+ return BuildAnonymousStructUnionMemberReference(Loc, FD);
+
// If this is known to be an instance access, go ahead and build a
// 'this' expression now.
@@ -2153,6 +2104,10 @@ Sema::BuildDeclarationNameExpr(const CXXScopeSpec &SS,
if (VD->isInvalidDecl())
return ExprError();
+ // Handle anonymous.
+ if (IndirectFieldDecl *FD = dyn_cast<IndirectFieldDecl>(VD))
+ return BuildAnonymousStructUnionMemberReference(Loc, FD);
+
ExprValueKind VK = getValueKindForDecl(Context, VD);
// If the identifier reference is inside a block, and it refers to a value
@@ -3308,12 +3263,6 @@ Sema::BuildMemberReferenceExpr(Expr *BaseExpr, QualType BaseExprType,
}
if (FieldDecl *FD = dyn_cast<FieldDecl>(MemberDecl)) {
- // We may have found a field within an anonymous union or struct
- // (C++ [class.union]).
- if (cast<RecordDecl>(FD->getDeclContext())->isAnonymousStructOrUnion() &&
- !BaseType->getAs<RecordType>()->getDecl()->isAnonymousStructOrUnion())
- return BuildAnonymousStructUnionMemberReference(MemberLoc, FD,
- BaseExpr, OpLoc);
// x.a is an l-value if 'a' has a reference type. Otherwise:
// x.a is an l-value/x-value/pr-value if the base is (and note
@@ -3356,6 +3305,12 @@ Sema::BuildMemberReferenceExpr(Expr *BaseExpr, QualType BaseExprType,
MemberType, VK, OK));
}
+ if (IndirectFieldDecl *FD = dyn_cast<IndirectFieldDecl>(MemberDecl))
+ // We may have found a field within an anonymous union or struct
+ // (C++ [class.union]).
+ return BuildAnonymousStructUnionMemberReference(MemberLoc, FD,
+ BaseExpr, OpLoc);
+
if (VarDecl *Var = dyn_cast<VarDecl>(MemberDecl)) {
MarkDeclarationReferenced(MemberLoc, Var);
return Owned(BuildMemberExpr(Context, BaseExpr, IsArrow, SS,
@@ -7956,6 +7911,12 @@ ExprResult Sema::BuildBuiltinOffsetOf(SourceLocation BuiltinLoc,
LookupResult R(*this, OC.U.IdentInfo, OC.LocStart, LookupMemberName);
LookupQualifiedName(R, RD);
FieldDecl *MemberDecl = R.getAsSingle<FieldDecl>();
+ IndirectFieldDecl *IndirectMemberDecl = 0;
+ if (!MemberDecl) {
+ if (IndirectMemberDecl = R.getAsSingle<IndirectFieldDecl>())
+ MemberDecl = IndirectMemberDecl->getAnonField();
+ }
+
if (!MemberDecl)
return ExprError(Diag(BuiltinLoc, diag::err_no_member)
<< OC.U.IdentInfo << RD << SourceRange(OC.LocStart,
@@ -7974,12 +7935,8 @@ ExprResult Sema::BuildBuiltinOffsetOf(SourceLocation BuiltinLoc,
}
RecordDecl *Parent = MemberDecl->getParent();
- bool AnonStructUnion = Parent->isAnonymousStructOrUnion();
- if (AnonStructUnion) {
- do {
- Parent = cast<RecordDecl>(Parent->getParent());
- } while (Parent->isAnonymousStructOrUnion());
- }
+ if (IndirectMemberDecl)
+ Parent = cast<RecordDecl>(IndirectMemberDecl->getDeclContext());
// If the member was found in a base class, introduce OffsetOfNodes for
// the base class indirections.
@@ -7992,15 +7949,17 @@ ExprResult Sema::BuildBuiltinOffsetOf(SourceLocation BuiltinLoc,
Comps.push_back(OffsetOfNode(B->Base));
}
- if (AnonStructUnion) {
- llvm::SmallVector<FieldDecl*, 4> Path;
- BuildAnonymousStructUnionMemberPath(MemberDecl, Path);
- unsigned n = Path.size();
- for (int j = n - 1; j > -1; --j)
- Comps.push_back(OffsetOfNode(OC.LocStart, Path[j], OC.LocEnd));
- } else {
+ if (IndirectMemberDecl) {
+ for (IndirectFieldDecl::chain_iterator FI =
+ IndirectMemberDecl->chain_begin(),
+ FEnd = IndirectMemberDecl->chain_end(); FI != FEnd; FI++) {
+ assert(isa<FieldDecl>(*FI));
+ Comps.push_back(OffsetOfNode(OC.LocStart,
+ cast<FieldDecl>(*FI), OC.LocEnd));
+ }
+ } else
Comps.push_back(OffsetOfNode(OC.LocStart, MemberDecl, OC.LocEnd));
- }
+
CurrentType = MemberDecl->getType().getNonReferenceType();
}
diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index 9458e3580c..1b47332c53 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -1429,6 +1429,11 @@ InitListChecker::CheckDesignatedInitializer(const InitializedEntity &Entity,
} else if (!KnownField) {
// Determine whether we found a field at all.
ReplacementField = dyn_cast<FieldDecl>(*Lookup.first);
+
+ // Check if ReplacementField is an anonymous field.
+ if (!ReplacementField)
+ if (IndirectFieldDecl* IField = dyn_cast<IndirectFieldDecl>(*Lookup.first))
+ ReplacementField = IField->getAnonField();
}
if (!ReplacementField) {
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 436488ed26..fc298c10e4 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -456,6 +456,29 @@ Decl *TemplateDeclInstantiator::VisitFieldDecl(FieldDecl *D) {
return Field;
}
+Decl *TemplateDeclInstantiator::VisitIndirectFieldDecl(IndirectFieldDecl *D) {
+ NamedDecl **NamedChain =
+ new (SemaRef.Context)NamedDecl*[D->getChainingSize()];
+
+ int i = 0;
+ for (IndirectFieldDecl::chain_iterator PI =
+ D->chain_begin(), PE = D->chain_end();
+ PI != PE; ++PI)
+ NamedChain[i++] = (SemaRef.FindInstantiatedDecl(D->getLocation(),
+ *PI, TemplateArgs));
+
+ IndirectFieldDecl* IndirectField
+ = IndirectFieldDecl::Create(SemaRef.Context, Owner, D->getLocation(),
+ D->getIdentifier(), D->getType(),
+ NamedChain, D->getChainingSize());
+
+
+ IndirectField->setImplicit(D->isImplicit());
+ IndirectField->setAccess(D->getAccess());
+ Owner->addDecl(IndirectField);
+ return IndirectField;
+}
+
Decl *TemplateDeclInstantiator::VisitFriendDecl(FriendDecl *D) {
// Handle friend type expressions by simply substituting template
// parameters into the pattern type and checking the result.
diff --git a/lib/Serialization/ASTReaderDecl.cpp b/lib/Serialization/ASTReaderDecl.cpp
index 9f5d0c11d1..b1e46a623e 100644
--- a/lib/Serialization/ASTReaderDecl.cpp
+++ b/lib/Serialization/ASTReaderDecl.cpp
@@ -107,6 +107,7 @@ namespace clang {
void VisitCXXDestructorDecl(CXXDestructorDecl *D);
void VisitCXXConversionDecl(CXXConversionDecl *D);
void VisitFieldDecl(FieldDecl *FD);
+ void VisitIndirectFieldDecl(IndirectFieldDecl *FD);
void VisitVarDecl(VarDecl *VD);
void VisitImplicitParamDecl(ImplicitParamDecl *PD);
void VisitParmVarDecl(ParmVarDecl *PD);
@@ -635,6 +636,17 @@ void ASTDeclReader::VisitFieldDecl(FieldDecl *FD) {
}
}
+void ASTDeclReader::VisitIndirectFieldDecl(IndirectFieldDecl *FD) {
+ VisitValueDecl(FD);
+
+ FD->ChainingSize = Record[Idx++];
+ assert(FD->ChainingSize >= 2 && "Anonymous chaining must be >= 2");
+ FD->Chaining = new (*Reader.getContext())NamedDecl*[FD->ChainingSize];
+
+ for (unsigned I = 0; I != FD->ChainingSize; ++I)
+ FD->Chaining[I] = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
+}
+
void ASTDeclReader::VisitVarDecl(VarDecl *VD) {
VisitDeclaratorDecl(VD);
VisitRedeclarable(VD);
@@ -1475,6 +1487,10 @@ Decl *ASTReader::ReadDeclRecord(unsigned Index, DeclID ID) {
D = FieldDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0, 0,
false);
break;
+ case DECL_INDIRECTFIELD:
+ D = IndirectFieldDecl::Create(*Context, 0, SourceLocation(), 0, QualType(),
+ 0, 0);
+ break;
case DECL_VAR:
D = VarDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0,
SC_None, SC_None);
diff --git a/lib/Serialization/ASTWriterDecl.cpp b/lib/Serialization/ASTWriterDecl.cpp
index f7bb23764d..27adb26d71 100644
--- a/lib/Serialization/ASTWriterDecl.cpp
+++ b/lib/Serialization/ASTWriterDecl.cpp
@@ -72,6 +72,7 @@ namespace clang {
void VisitCXXDestructorDecl(CXXDestructorDecl *D);
void VisitCXXConversionDecl(CXXConversionDecl *D);
void VisitFieldDecl(FieldDecl *D);
+ void VisitIndirectFieldDecl(IndirectFieldDecl *D);
void VisitVarDecl(VarDecl *D);
void VisitImplicitParamDecl(ImplicitParamDecl *D);
void VisitParmVarDecl(ParmVarDecl *D);
@@ -528,6 +529,17 @@ void ASTDeclWriter::VisitFieldDecl(FieldDecl *D) {
Code = serialization::DECL_FIELD;
}
+void ASTDeclWriter::VisitIndirectFieldDecl(IndirectFieldDecl *D) {
+ VisitValueDecl(D);
+ Record.push_back(D->getChainingSize());
+
+ for (IndirectFieldDecl::chain_iterator
+ P = D->chain_begin(),
+ PEnd = D->chain_end(); P != PEnd; ++P)
+ Writer.AddDeclRef(*P, Record);
+ Code = serialization::DECL_INDIRECTFIELD;
+}
+
void ASTDeclWriter::VisitVarDecl(VarDecl *D) {
VisitDeclaratorDecl(D);
VisitRedeclarable(D);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-08-05 09:41:25 +0000